Dual swing



FIG. 1 is a perspective view of a dual swing showing our new design in use with a playset;

FIG. 2 is a perspective view of a dual swing showing our new design;

FIG. 3 is a front view, the back view being a mirror image thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a left side, the right side view being a mirror image thereof.

In the drawings, the broken lines showing a playset illustrate environment and form no part of the claimed design. 

CLAIM The ornamental design for a dual swing, as shown and described. 